A new Netflix docuseries take listeners behind the scenes of the investigation. Articles from newspaper archives illustrate the impact of the mysterious deaths.
A pair of women's canvas shoes were discovered along the shoreline of the gravel pit pond where 22-year-old Kelly Robinson's body was found. Law enforcement now says they don't know where they are.
Danny Hogan, proprietor of St. Paul's Green Lantern Saloon, a legendary criminal hangout, saw himself as the peacemaker between gangsters and corrupt cops. In December 1928, it was the death of him.
Minnesota State Trooper Robert Leroy Nelson killed Michelle Busha after he picked her up while on duty on May 30, 1980. Her identity wasn't revealed until 2015.
While the state鈥檚 overall rate of unsolved crimes is lower than the national average, an analysis of FBI data says more violent crimes are going unsolved in Minnesota today than a decade ago
Roseanna Forcum and April Geyer were last seen at a St. Paul apartment in mid-August 1998. The case remained cold for years before an anonymous caller provided clues.
Her head was found in the summer of 1993 floating in a lake northeast of the Twin Cities. For more than 20 years, investigators have referred to the woman as "Bone Lake Jane Doe."
Mary Schlais was 25 years old in 1974 when her body was discovered alongside a rural road with stab wounds. A former Green Bay Packers player is considered one possible person of interest.
Timothy Crosby was the last person to see 17-year-old Belinda Van Lith, who went missing in 1974 from a home she was house sitting on Eagle Lake, outside of Monticello, Minn.
Susan Swedell pulled into a gas station roughly one mile from her home on the night of Jan. 19, 1988. She was last seen by the man who pulled up behind her in a light-colored muscle car.
